| <html> | |
| <head><title>Popup parent</title></head> | |
| <body> | |
| <script> | |
| function getChildUrl(parentUrl) { | |
| const search_string = "?child_url="; | |
| let index = parentUrl.indexOf(search_string); | |
| if (index <= 0) { | |
| document.title = 'FAILED: No child URL specified' | |
| return document.title; | |
| } | |
| return parentUrl.substring(index + search_string.length); | |
| } | |
| window.open(getChildUrl(window.location.href)); | |
| </script> | |
| </body> | |
| </html> |